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Added Description::addSSRC

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This commit is contained in:
Staz M
2020-09-22 12:56:53 -04:00
parent b5d3cdc9b1
commit 704e604b8f
3 changed files with 12 additions and 4 deletions
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6
examples/sfu-media/main.cpp
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@ -65,11 +65,13 @@ int main() {
auto session = std::make_shared<rtc::RtcpSession>(); auto session = std::make_shared<rtc::RtcpSession>();
track->setRtcpHandler(session); track->setRtcpHandler(session);
const rtc::SSRC targetSSRC = 15;
track->onMessage( track->onMessage(
[&receivers](rtc::binary message) { [&receivers](rtc::binary message) {
// This is an RTP packet // This is an RTP packet
auto rtp = (rtc::RTP*) message.data(); auto rtp = (rtc::RTP*) message.data();
rtp->ssrc = htonl(15); rtp->ssrc = htonl(targetSSRC);
for (auto pc : receivers) { for (auto pc : receivers) {
if (pc->track != nullptr && pc->track->isOpen()) { if (pc->track != nullptr && pc->track->isOpen()) {
pc->track->send(message); pc->track->send(message);
@ -109,6 +111,8 @@ int main() {
media.setBitrate( media.setBitrate(
3000); // Request 3Mbps (Browsers do not encode more than 2.5MBps from a webcam) 3000); // Request 3Mbps (Browsers do not encode more than 2.5MBps from a webcam)
media.addSSRC(targetSSRC, "video-send");
pc->track = pc->conn->addTrack(media); pc->track = pc->conn->addTrack(media);
pc->conn->setLocalDescription(); pc->conn->setLocalDescription();

2
include/rtc/description.hpp
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@ -71,6 +71,8 @@ public:
Direction direction() const { return mDirection; } Direction direction() const { return mDirection; }
void setDirection(Direction dir); void setDirection(Direction dir);
void addSSRC(uint32_t ssrc, std::string name);
operator string() const; operator string() const;
string generateSdp(string_view eol) const; string generateSdp(string_view eol) const;

8
src/description.cpp
View File

@ -374,9 +374,7 @@ Description::Entry::Entry(const string &mline, string mid, Direction dir)
ss >> mType; ss >> mType;
ss >> port; // ignored ss >> port; // ignored
ss >> mDescription; ss >> mDescription;
if (direction() == Direction::SendOnly) {
mAttributes.emplace_back("ssrc:15 cname:test");
}
} }
void Description::Entry::setDirection(Direction dir) { mDirection = dir; } void Description::Entry::setDirection(Direction dir) { mDirection = dir; }
@ -444,6 +442,10 @@ void Description::Entry::parseSdpLine(string_view line) {
} }
} }
void Description::Entry::addSSRC(uint32_t ssrc, std::string name) {
mAttributes.emplace_back("ssrc:" + std::to_string(ssrc) + " cname:" + name);
}
Description::Application::Application(string mid) Description::Application::Application(string mid)
: Entry("application 9 UDP/DTLS/SCTP", std::move(mid), Direction::SendRecv) {} : Entry("application 9 UDP/DTLS/SCTP", std::move(mid), Direction::SendRecv) {}